Chemistry Reference
In-Depth Information
increased by the presence of water. Water penetrates into the tiny pores
on the surface of a piece of iron and provides an environment that
facilitates the movement of electrons, which increases the rate of the
reaction. In this experiment, you will design an experiment to find out how
different solutions affect the rate at which rust forms.
Time Required
50 minutes on day 1
10 minutes per day for 5 follow-up days
Materials
2
iron wool
2
electronic balance
2
medium beakers
2
graduated cylinder
2
tap water
2
distilled water
2
15 percent salt (NaCl) solution
2
15 percent baking soda solution (mass-volume percentage: 15
grams [g] per 100 milliliters [ml] of distilled water)
2
50 percent vinegar solution (half vinegar, half distilled water)
2
1 molar (M) hydrochloric acid
2
1 M sodium hydroxide
2
forceps
2
paper towels
2
goggles
2
science notebook
Safety Note
Goggles must be worn at all times during this
experiment. Use caution when working with acids and bases. please
review and follow the safety guidelines at the beginning of this volume.
